Faucet



May 18 1924'.

M. A. LUNN FAUCET Filed July ,5, 1.923

INVE NTOR TTO NLVS.

Patented May 13, 1924.

MARSHALL ANGUS LUNN, OF LONDON, ONTARIO, CANADA.

FAUCET.

Application filed. July 5, 1923.

ful Improvements in Faucets, of which the following is the specification.

My invention relates to improvements in faucets and the object of the invention is to devise in a faucet of compression type, means contained within the faucet for shutting off the water pressure to allow of the complete withdrawal of the faucet valve for the purpose of rewashering the valve of the faucet or regrinding the valve seat, and it consists essentially of the arrangement and construc tion of parts as hereinafter more particularly explained.

Fig. 1 is a longitudinal sectional view through a faucet showing my means for automatically shutting off the water pressure.

Fig. 2 is a perspective detail of the faucet valve and valve stem.

Fig. 3 is a perspective detail of the looking washer carried by the stem.

Fig. 4 is a perspective detail of'the threaded cylinder surrounding the valve stem and located in the neck of the faucet, and

Fig. 5 is a perspective detail of my supplemental valve for shutting off the water pressure.

In'the drawings like characters of reference indicate corresponding parts in each figure.

1 indicates the body of the faucet pro vided with the water discharge 2 and with the usual web 3 in which is located a water discharge orifice surrounded by an annular .valve seat 5. The orifice 1 is-tapered downwardly from the seat 5, as clearly shown in Figure 1.

6 is the neck of the faucet which is provided with an internal thread 7. 8 is a cylinder provided with an external thread 9 engaging the thread 7. The cylinder 8 is provided with a central orifice 10 through which the valve stem hereinafter described passes.

11 is a vertical slot extending through the cylinder 8 and from the orifice 10. 12 is the stem of the faucet provided with the usual handle 13 at its upper end. 14 is a valve head located at the lower end of'the stem 12 and from which depends" an externally threaded reduced portion 15 from which extends a further reduced and squaredportion Serial No. 649,722.

16 for a purpose which will hereinafter appear.

17 is a lug extending radially from the stem 12 normally just above the upper face of the cylinder 8. 18 is a lug also extending radially from the stem 12. The upper end of the lug 18 normally bears against the lower face of the cylinder 8. 19 is a washer of leather or any other suitable material having a central orifice 19* through which the threaded portion 15 extends. 20 is an internally threaded locking ring which is screwed onto the externally threaded portion 15 against the lower face of the washer 19.

21 is a locking member having a central orifice 22 through which the valve stem 12 extends. The locking washer 21 is secured in position by a set screw 21 extending into the valve stem 12. 23 is a lug depending from the locking washer 21. The lug 28 enters the upper end of the recess 11. 25 and 26 are lugs extending from the upper face of the washer 21 and between which the lug ,17 of the stem 12 extends.

a ,22 is a recess extending from the-orifice 22 of the washer 21. The recess 22* is for the purpose of allowing the withdrawal of the lug 18 through the washer 21.

2 is a bridging piece extending across the interior of the faucet body beneath the orifice 4t and provided centrally with an internally threaded orifice 2. 27 is'a tapered valve head provided centrally in its upper face with a squared recess 28 into which the squared depending portion 16 of the valve extends so as to fit therein.

29 is a stem of the valve 27. Such stem depending through the orifice 2. The stem 29 is provided with an external thread 30 engaging the internal thread of the orifice 2". The stem 29 may also be provided with a longitudinal groove 31 forming a supplemental passage for the water passing upwardly'through the valve opening 4. Although I have only shown one of these grooves, of course it will be understood that any number desiredmay be employed.

32 is a packing cap provided with, an internal thread 33 engaging the external thread 34 formed on the upper end of the neck 6 of the faucet. 35 represents suitable packing contained in the packingcap.

Having described the principal partsinvolved in my invention, I will briefly describe the operation of the same.

i We will presume that the water pressure extends into the faucet and when it is desired to rewasher or regrind the seat of the valve of the faucet, the packing cap 32 is first unscrewed fromthc neck 6 of the faucet and such cap lifted clear of the neck. The set screw 21 is then removed to permit the locking washer 21 being raised upon the valve stem and the lug 23 thereof out of the upper end of the slot 11. Simultaneously the locking washer 21is raised above the lug 17 of the stem 12". The stem 12 is then turned a quarter turn to the left thereby carrying the lugs 17 and 18 into aline with the slot 11. The operator then pulls upwardly upon the stem 12 to carry the lug 18 into the lower end of the slot 11. The upward movement of the stem 12", during this operation however, must not be sufficient to carry the squared portion 16 of the stem out of the squared recess 28'. The stem 12 is then turned to the right at the instant that the lug 18 and squared extension 16 are brought into the position above described. By this turning movement, the head of the supplemental valve 27 is carried downwardly so as to seat upon the inner periphery of the tapered orifice 1, thereby shutting OK the water pressure through such orifice. The water pressure, it will be readily seen, is now carried against the lower face of the supplemental valve 27 instead of against the lower face of the washer 19. As soon as this operation is effected the valve stem 12 is pulled upwardly to the full extent so as to carry the squared end completely out of the orifice 28 thereby breaking operative connection between the stem 12 and supplemental valve 27.

From the foregoing it will be understood up to this point in the operation that the bottom lug 18 is in engagement with the slot 11 of the cylinder 28. The stem 12 may then be turned so as to unscrew the cylinder 8 from the neck 6 of the faucet so that the head 14 of the faucet valve and the washer 19 may be completely removed from the faucet. The washer 19 may be removed from the head ofthe valve by unscrewing the ring nut 20; A new washer is then inserted against the lower face'of the valve 14 and'the ring'mit'replaced in position.

During'the-time that the spindle 12 is removed from'the valve the seat 5 of the valve maybe regroundb'y any means commonly employed for this purpose. In order to returnthe valve stem 12 and the valve head 14: to their normal position within the faucet, Ifirst engagethe lower end of the slot 11 with the lower lug 18' of the spindle. I then insert the stem and'cylinder 8 into the faucetbody screwing the cylinder into the neck 6 thereof keeping a slight upward tens1on-hold onthe stem until the squared end 16"con-tacts -with theface of the supplemental valve 27. The operator, by turning the stem 12*, feels for the recess 28 and when the squared end and recess come into registering position, he pushes down so that the squared end 16 enters the recess 28 carrying the lower lug 18 of the valve stem out of engagement with slot 11. Also by this operation the washer 19 is brought into position to rest upon the upper face of the valve seat 5.

Furthermore when theparts are in the position above described the top lug 1'? and bottom lug 18 engage the upper andlowcr faces of the cylinder 8 when the stem 12 is turned.

It will of course be understood that up to this point the supplemental valve 27 is still holding the water pressure. The stem 12 is now given athree-quarter turn which withdraws the valve 27 from its seat allowing the pressure to pass through the valve opening 1 against the lower face of the washer 19. The same movement of the valve stem 12 also brings the top lug 11' of the stem 12 into position so that the lug 23 of the locking washer21 enters the upper end of the slot 11. The locking washer 21 is then passed down over the valve stem 12 so as to engage the upper face of the cylinder 8, the lug 23 entering the slot 11 and the lugs 25 and 26 extending at each side of the lug 17. The set screw 21 is then replaced in position so as to secure the parts together and the packing cap 32 rescrewed onto the upper end of the neck 6 thereby completing the operation.

From this description, it will be seen that I have devised a very simple device which is incorporated in the structure of'the faucet. and'which enables the operator automatically to shut ofi" the water pressure'independently of the ordinary closing valve of the faucet so that such faucet valve and its stem may be removed to enable the rewashering of the valve, or the regrinding of the valve seat. It will be also readily seen that when a plumber is requiredto-repair the faucet in the above way, he goesjdirectly to the particular faucet'to be repaired and by removing the valve stem and valve, automatically shuts off the water pressure in'the particular faucet without in any way aflecting the other faucets-in the'dwelling. It will thus be seen that allof the inconveniences which generally take place through turning off the water at the main are obviated and the plumbers time economized by dispensing with this operation".

hat I claim as my invention is:

1. In a faucet, the combination with the body of the faucet having an internally threaded neck and a valve seat located beneath the neck, of'a cylinder having'anexternal thread engaging-with the threadof" the neck, a stem extending thibfigll the cylinder, a valve head carried by the stem and coacting with the seat of the faucet body, means for detachably locking the stem and the cylinder together, and valve means operated to be seated by the stem when released.

2. In a faucet, the combination with the faucet body having a hollow neck, a main valve seat and a supplemental valve seat formed with the aforesaid seat, a main valve stem and a supplemental valve adapted to seat within the seat of the main valve and located in axial alignment with the main valve stem, and means operated by the turning of the valve stem when released from the valve body for seating the supplemental valve.

3. In a faucet, the combination with a faucet body having an internally threaded neck and a valve seat located beneath the neck, of an externally threaded cylindelr screwed into the neck and having a central orifice, a valve stem extending through the orifice, a valve head carried by the lower end of the stem, disengageable means connecting the stem and cylinder together, and means operated by the turning of the stem when disengaged along the cylinder for shutting off the water pressure.

t. In a faucet, thecombination with a faucet body having an internally threaded neck and a valve seat located beneath the neck, of an externally threaded cylinder screwed into the neck and having a central orifice and a vertical slot extending from such orifice, a locking washer having a central orifice through which the valve stem extends, a lug depending from the washer into the upper end of the aforesaid cylinder slot, means for turnably connecting the stem and washer together, and means operated by the turning of the stem when released from the aforesaid cylinder for shutting off the water pressure.

'5. In a faucet, the combination with a faucet body having an internally threaded neck, of an externally threaded cylinder screwed into the neck andhaving a central orifice and a vertical slot extending from such orifice, a valve stem extending through the orifice of the cylinder, a valve head carried upon the lower end of the stem, a looking washer through which the stem extends, a lug depending from the washer in the upper end of the cylinder slot, a pair of space apart lugs extending from the upper face of the washer, a lug extending from the stem and fitting between the aforesaid upwardly extending washer lugs and bearing normally of the bridging piece, a tapered valve head carried by the stem and coacting with the tapered portion of the seat and havinga rectangular recess in its upper face, a main valve stem, a threaded carrier carrying the valve stem and engaging the faucet body, a valve head carried by the stem and a squared portion forming an extension of the stem fitting in the squared recess of the supplemental valve, and disengageable means between the main valve stem and its carrler.

MARSHALL ANGUS LUNN. 

